Except for some parts (such as magnesia brick furnace bottom), most of the refractory brick masonry is built with refractory mortar. High-quality refractory mortarshould have certain working properties, and during the subsequent baking and heating machine operation pe··· ...

1. The price of the product. One of the evaluation criteria for public bidding product price merchants, in the case of the same product materials, the price is usually the criteria for selecting manufacturers.2. Product quality. Quality certification is a guarantee fo··· ...

refractory coatingis a mud paste-like material used as a working lining or protective lining or protective lining on the surface of the refractory lining. Its solid/liquid mass ratio or volume ratio is similar to refractory mud. It is a kind of Bingham-type fluid mud ··· ...

Refractory cement is a powerful and quick-setting binder, also known as high alumina cement. The written language is called aluminate cement. It has a wide range of uses and applications. According to the brand and material, it is divided into: calcium aluminate cemen··· ...

1. Formwork: The formwork used for the construction of lightweight thermal insulation castables can be made of steel or hard wood (five plywood). The formwork must have sufficient strength, good rigidity, no deformation, no displacement, no leakage of paddles, and the··· ...

Highalumina refractory castables are synthesized from high-alumina refractory aggregates, powders, binders and additives in a certain ratio. It has good high temperature performance, high endurance, wide temperature range, no shrinkage, wear resistance and other chara··· ...

According to the content of AL2O3, fire cementcan be divided into CA-50, CA-70, CA-80 type and so on. The raw materials of CA-50 cement are natural bauxite and limestone, that is, high alumina cement (alumina cement). CA-70 type fire cementis made of industrial AL2O3 ··· ...

Refractories are the basic materials for the development of high-temperature industrial technology. To a certain extent, the quality and type of refractories play a key role in the development of high-temperature technology. Compared with shaped refractories, unshaped··· ...

Silica brick is an acidic refractory material, which refers to a refractory product with a SiO2 content of more than 93%. It has good resistance to acid slag erosion. The softening temperature under load is as high as 1640-1670 °C, and the volume is relatively stable··· ...

lightweight castable refractoryare composed of refractory lightweight aggregates, powders, binders and additives. General regulations: The bulk density is less than 1800kg/m3, the refractory is not required, or the total porosity is greater than 45%, and the castable ··· ...